| Value | Category | Cases | |
|---|---|---|---|
| 1 | 22 | 
                                
                                1.7%
                             | |
| 2 | 224 | 
                                
                                17.1%
                             | |
| 3 | 299 | 
                                
                                22.9%
                             | |
| 4 | 174 | 
                                
                                13.3%
                             | |
| 5 | 272 | 
                                
                                20.8%
                             | |
| 6 | 77 | 
                                
                                5.9%
                             | |
| 7 | 31 | 
                                
                                2.4%
                             | |
| 8 | 21 | 
                                
                                1.6%
                             | |
| 9 | 6 | 
                                
                                0.5%
                             | |
| 10 | 57 | 
                                
                                4.4%
                             | |
| 11 | 4 | 
                                
                                0.3%
                             | |
| 12 | 82 | 
                                
                                6.3%
                             | |
| 13 | 2 | 
                                
                                0.2%
                             | |
| 14 | 8 | 
                                
                                0.6%
                             | |
| 15 | 5 | 
                                
                                0.4%
                             | |
| 16 | 1 | 
                                
                                0.1%
                             | |
| 17 | 1 | 
                                
                                0.1%
                             | |
| 18 | 5 | 
                                
                                0.4%
                             | |
| 20 | 1 | 
                                
                                0.1%
                             | |
| 21 | 5 | 
                                
                                0.4%
                             | |
| 22 | 1 | 
                                
                                0.1%
                             | |
| 24 | 8 | 
                                
                                0.6%
                             | |
| 25 | 2 | 
                                
                                0.2%
                             | |
| 97 | refused | 0 | 
                                
                                0%
                             | 
| 98 | don't know | 0 | 
                                
                                0%
                             | 
| 99 | not applicable | 0 | 
                                
                                0%
                             | 
| 9999995 | missing:impute | 0 | 
                                
                                0%
                             | 
| Sysmiss | 1948 |